Description Code Zero 0 Pin-to-pin length (in) 3 3/8 Drum dia. (in) 5 Swivel dia. (in) 2 1/8 Line dia. - min. (in) 1/4 Line dia. - max. (in) 5/16 Pin/shackle dia. (in) 5/16 Max. working load (lb) 5000 Breaking load (lb) 10000 Weight w/shackle - Lower (oz) 26.2 Weight w/shackle - Upper (oz